If or whether use I was reading a new and the author wrote the following sentence: "If the company's use of assets and process of running the operation are effecient or not". Is correct the use of "if"? Wouldn't be better to use "whether"?

Financial statements People, I would like to know the name a specific financial report. In Brazil we call it as “Demonstração do Resultado do Exercício (DRE). It is one of the main accountant’s statement such as Balance Sheet.

Could you help me with the following text? Our forecast is that in medium term we will bring for sponsors a good bottom line. Because of our business model, based in staff low cost, that we have been calling Freelance System, we predict a return on investment (ROI) between 25 and 30%. So, we predict a significant growth. Besides that, our business plan is based in companies Future Ready according to Peter Weill. Accordance to Weill and Woerner (2017, p. 1) “Future Ready companies perform better, with 16 percentage points higher margin than their industry average”. We have been making progress and we believe that we are in the right pathway. We hope to get investors soon.

Could you help me with the following text? As Uber there are not any car, however they are the largest cab businesses in the world, we predict that we won’t have any accountant registered on our HR, as well. But we will be the largest accounting company for small businesses in the world. How it is possible? The key of our business will be the “Freelance System”. Why we will hire people to work in our offices, if they could work from their houses? They are going to work in their free time and they are going to gain an extra money for it. Perhaps, they will work full time such as some Uber drivers have done. Therefore, we will recruit accountant as freelancer, instead of hiring and registering them by our company. Besides that, this system will allow us having a low cost with staffs and saving money. This extra money will has applied in increase costumer experience and operational efficiency.

Could you help me with the following text? Our business model will be mirrored in digital companies such as Netflix, Uber, Airbnb et cetera. Those companies use apps and algorithms to get the best experience for their customers. Accordance to Peter Weill, chairman of CISR/MIT, they are called “Future Ready” and they there are the following features: